// Started by David Megginson, October 2001
// (Reuses some code from main.cxx, probably by Curtis Olson)
//
-// Copyright (C) 2001 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2001 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
-#include <FDM/flight.hxx> // FIXME: remove direct dependencies
-#include <Main/fg_props.hxx>
-
-#include "fg_fx.hxx"
+#ifdef _MSC_VER
+#pragma warning (disable: 4786)
+#endif
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
-static const char * engine_names[FGFX::MAX_ENGINES] = {
- "engine0",
- "engine1"
-};
+#include "fg_fx.hxx"
-static const char * crank_names[FGFX::MAX_ENGINES] = {
- "crank0",
- "crank1"
-};
+#include <Main/fg_props.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
+#include <simgear/sound/xmlsound.hxx>
-FGFX::FGFX ()
- : _old_flap_position(0),
- _old_gear_position(0),
- _wind(0),
- _stall(0),
- _rumble(0),
- _flaps(0),
- _gear_up(0),
- _gear_dn(0),
- _squeal(0),
- _click(0),
- _stall_warning_prop(0),
- _flaps_prop(0),
- _gear_prop(0)
+FGFX::FGFX ( SGSoundMgr *smgr, const string &refname ) :
+ last_pause( false ),
+ last_volume( 0.0 ),
+ _pause( fgGetNode("/sim/sound/pause") ),
+ _volume( fgGetNode("/sim/sound/volume") )
{
- for (int i = 0; i < MAX_ENGINES; i++) {
- _engine[i] = 0;
- _crank[i] = 0;
- _engine_running_prop[i] = 0;
- _engine_cranking_prop[i] = 0;
- }
+ SGSampleGroup::_smgr = smgr;
+ SGSampleGroup::_refname = refname;
+ SGSampleGroup::_smgr->add(this, refname);
+ _avionics = _smgr->find("avionics", true);
}
+
FGFX::~FGFX ()
{
- // FIXME: is this right, or does the
- // sound manager assume pointer ownership?
- for (int i = 0; i < MAX_ENGINES; i++) {
- delete _engine[i];
- delete _crank[i];
- }
- delete _wind;
- delete _stall;
- delete _rumble;
-
- delete _flaps;
- delete _gear_up;
- delete _gear_dn;
- delete _squeal;
- delete _click;
+ for (unsigned int i = 0; i < _sound.size(); i++ ) {
+ delete _sound[i];
+ }
+ _sound.clear();
}
void
-FGFX::init ()
+FGFX::init()
{
- FGSoundMgr * mgr = globals->get_soundmgr();
- int i;
-
- //
- // Create and add engine-related sounds.
- //
- for (i = 0; i < MAX_ENGINES; i++) {
- // Engine
- _engine[i] =
- new FGSimpleSound(fgGetString("/sim/sounds/engine/path",
- "Sounds/wasp.wav"));
- _engine[i]->set_volume(fgGetFloat("/sim/sounds/engine/volume", 1.0));
- _engine[i]->set_pitch(fgGetFloat("/sim/sounds/engine/pitch", 1.0));
- mgr->add(_engine[i], engine_names[i]);
-
- // Starter
- _crank[i] = new FGSimpleSound(fgGetString("/sim/sounds/cranking/path",
- "Sounds/cranking.wav"));
- _crank[i]->set_volume(fgGetFloat("/sim/sounds/cranking/volume", 0.5));
- _crank[i]->set_pitch(fgGetFloat("/sim/sounds/cranking/pitch", 1.00));
- mgr->add(_crank[i], crank_names[i]);
- }
-
-
- //
- // Create and add the wind noise.
- //
- _wind = new FGSimpleSound(fgGetString("/sim/sounds/wind/path",
- "Sounds/wind.wav"));
- _wind->set_volume(fgGetFloat("/sim/sounds/wind/volume", 1.0));
- _wind->set_pitch(fgGetFloat("/sim/sounds/wind/pitch", 1.0));
- mgr->add(_wind, "wind");
-
-
- //
- // Create and add the stall noise.
- //
- _stall = new FGSimpleSound(fgGetString("/sim/sounds/stall/path",
- "Sounds/stall.wav"));
- _stall->set_volume(fgGetFloat("/sim/sounds/stall/volume", 1.0));
- _stall->set_pitch(fgGetFloat("/sim/sounds/stall/pitch", 1.0));
- mgr->add(_stall, "stall");
-
- //
- // Create and add the rumble noise.
- //
- _rumble = new FGSimpleSound(fgGetString("/sim/sounds/rumble/path",
- "Sounds/rumble.wav"));
- _rumble->set_volume(fgGetFloat("/sim/sounds/rumble/volume", 1.0));
- _rumble->set_pitch(fgGetFloat("/sim/sounds/rumble/pitch", 1.0));
- mgr->add(_rumble, "rumble");
-
-
- //
- // Create and add the flaps noise
- //
- _flaps = new FGSimpleSound(fgGetString("/sim/sounds/flaps/path",
- "Sounds/flaps.wav"));
- _flaps->set_volume(fgGetFloat("/sim/sounds/flaps/volume", 0.25));
- _flaps->set_pitch(fgGetFloat("/sim/sounds/flaps/pitch", 1.0));
- mgr->add(_flaps, "flaps");
-
- //
- // Create and add the gear noises.
- //
- _gear_up = new FGSimpleSound(fgGetString("/sim/sounds/gear-up/path",
- "Sounds/gear-up.wav"));
- _gear_dn = new FGSimpleSound(fgGetString("/sim/sounds/gear-down/path",
- "Sounds/gear-dn.wav"));
- _gear_up->set_volume(fgGetFloat("/sim/sounds/gear-up/volume", 1.0));
- _gear_dn->set_volume(fgGetFloat("/sim/sounds/gear-down/volume", 1.0));
- _gear_up->set_pitch(fgGetFloat("/sim/sounds/gear-up/pitch", 1.0));
- _gear_dn->set_pitch(fgGetFloat("/sim/sounds/gear-down/pitch", 1.0));
- mgr->add(_gear_up, "gear-up");
- mgr->add(_gear_dn, "gear-down");
-
- //
- // Create and add the squeal noise.
- //
- _squeal = new FGSimpleSound(fgGetString("/sim/sounds/squeal/path",
- "Sounds/squeal.wav"));
- _squeal->set_volume(fgGetFloat("/sim/sounds/squeal/volume", 1.0));
- _squeal->set_pitch(fgGetFloat("/sim/sounds/squeal/pitch", 1.0));
- mgr->add(_squeal, "squeal");
-
- //
- // Simplistic wheel spin model for audio effect purposes only. We
- // don't want to play a full squeel, if the wheel has only departed
- // from the ground for a split second.
- //
- for (i = 0; i < MAX_GEAR; i++) {
- _wheel_spin[i] = 0.0;
- }
-
- //
- // Create and add the click noise.
- _click = new FGSimpleSound(fgGetString("/sim/sounds/click/path",
- "Sounds/click.wav"));
- _flaps->set_volume(fgGetFloat("/sim/sounds/click/volume", 1.0));
- _flaps->set_pitch(fgGetFloat("/sim/sounds/click/pitch", 1.0));
- mgr->add(_click, "click");
+ SGPropertyNode *node = fgGetNode("/sim/sound", true);
+ string path_str = node->getStringValue("path");
+ SGPath path( globals->get_fg_root() );
+ if (path_str.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "No path in /sim/sound/path");
+ return;
+ }
- ////////////////////////////////////////////////////////////////////
- // Grab some properties.
- ////////////////////////////////////////////////////////////////////
+ path.append(path_str.c_str());
+ SG_LOG(SG_GENERAL, SG_INFO, "Reading sound " << node->getName()
+ << " from " << path.str());
+
+ SGPropertyNode root;
+ try {
+ readProperties(path.str(), &root);
+ } catch (const sg_exception &) {
+ SG_LOG(SG_GENERAL, SG_ALERT,
+ "Error reading file '" << path.str() << '\'');
+ return;
+ }
- for (i = 0; i < MAX_ENGINES; i++) {
- SGPropertyNode * node = fgGetNode("engines/engine", i, true);
- _engine_running_prop[i] = node->getChild("running", 0, true);
- _engine_cranking_prop[i] = node->getChild("cranking", 0, true);
- }
- _stall_warning_prop = fgGetNode("/sim/aero/alarms/stall-warning", true);
- _vc_prop = fgGetNode("/velocities/airspeed-kt", true);
- _flaps_prop = fgGetNode("/controls/flaps", true);
- _gear_prop = fgGetNode("/controls/gear-down", true);
+ node = root.getNode("fx");
+ if(node) {
+ for (int i = 0; i < node->nChildren(); ++i) {
+ SGXmlSound *sound = new SGXmlSound();
+
+ try {
+ sound->init(globals->get_props(), node->getChild(i), this,
+ _avionics, globals->get_fg_root());
+
+ _sound.push_back(sound);
+ } catch ( sg_exception &e ) {
+ SG_LOG(SG_GENERAL, SG_ALERT, e.getFormattedMessage());
+ delete sound;
+ }
+ }
+ }
}
-void
-FGFX::bind ()
-{
-}
void
-FGFX::unbind ()
+FGFX::reinit()
{
-}
+ _sound.clear();
+ init();
+};
+
void
-FGFX::update (int dt)
+FGFX::update (double dt)
{
- FGSoundMgr * mgr = globals->get_soundmgr();
- int i;
-
- ////////////////////////////////////////////////////////////////////
- // Update the engine sound.
- ////////////////////////////////////////////////////////////////////
-
- for (i = 0; i < MAX_ENGINES; i++) {
-
- SGPropertyNode * node = fgGetNode("engines/engine", i, true);
-
- if (_engine_running_prop[i]->getBoolValue()) {
- // pitch corresponds to rpm
- // volume corresponds to manifold pressure
-
- double rpm_factor;
- rpm_factor = node->getDoubleValue("rpm") / 2500.0;
-
- double pitch = 0.3 + rpm_factor * 3.0;
-
- // don't run at absurdly slow rates -- not realistic
- // and sounds bad to boot. :-)
- if (pitch < 0.7)
- pitch = 0.7;
- if (pitch > 5.0)
- pitch = 5.0;
-
- double mp_factor;
- mp_factor = node->getDoubleValue("mp-osi") / 100;
-
- double volume = 0.15 + mp_factor / 2.0;
-
- if (volume < 0.15)
- volume = 0.15;
- if (volume > 0.5)
- volume = 0.5;
-
- _engine[i]->set_pitch( pitch );
- _engine[i]->set_volume( volume );
- set_playing(engine_names[i], true);
- } else {
- set_playing(engine_names[i], false);
- }
-
- // FIXME
- set_playing(crank_names[i], _engine_cranking_prop[i]->getBoolValue());
- }
-
-
- ////////////////////////////////////////////////////////////////////
- // Update the wind noise.
- ////////////////////////////////////////////////////////////////////
-
- // The wind sound is airspeed and altitude
- // dependent. The wind noise should become
- // silent at about 65000 feet, and is based
- // on a logarithmic scale.
- float rel_wind = cur_fdm_state->get_V_rel_wind(); // FPS
- float alt_vol = 1-log(cur_fdm_state->get_Altitude()/65000.0)/4.81;
- if ((rel_wind > 2.0) && (alt_vol > 0.2)) {
- float volume = rel_wind/937;
- double pitch = 1.0+(rel_wind/53.0);
- _wind->set_volume(volume*alt_vol/2);
- _wind->set_pitch(pitch);
- set_playing("wind", true);
- } else {
- set_playing("wind", false);
- }
-
-
- ////////////////////////////////////////////////////////////////////
- // Update the stall horn.
- ////////////////////////////////////////////////////////////////////
-
- double stall = _stall_warning_prop->getDoubleValue();
- double vc = _vc_prop->getDoubleValue();
- if (stall > 0.0 && vc > 30.0) {
- _stall->set_volume(stall);
- set_playing("stall", true);
- } else {
- set_playing("stall", false);
- }
-
-
- ////////////////////////////////////////////////////////////////////
- // Update the rumble.
- ////////////////////////////////////////////////////////////////////
-
- float gearOnGround = 0;
-
-
- // Calculate whether a squeal is
- // required, and set the volume.
- // Currently, the squeal volume is the
- // current local down velocity in feet
- // per second divided by 10.0, and
- // will not be played if under 0.1.
-
- // FIXME: take rotational velocities
- // into account as well.
- for (i = 0; i < MAX_GEAR; i++) {
- SGPropertyNode * node = fgGetNode("gear/gear", i, true);
- // cout << "air speed = " << cur_fdm_state->get_V_equiv_kts();
- // cout << " wheel " << i << " speed = " << _wheel_spin[i];
- if (node->getBoolValue("wow")) {
- gearOnGround++;
- if (!_gear_on_ground[i]) {
- // wheel just touched down
- // 3 parts horizontal velocity + 1 part vertical velocity
- double squeal_volume = 0.75 * cur_fdm_state->get_V_equiv_kts() / 90.0
- + 0.25 * cur_fdm_state->get_V_down() / 5.0;
-
- // scale volume by difference between wheel spin speed and
- // ground speed
- double diff = fabs( cur_fdm_state->get_V_equiv_kts()
- - _wheel_spin[i] );
- // cout << " speed diff = " << diff;
- double scale_factor = 0.0;
- if ( diff > 10 ) {
- scale_factor = ( diff - 10.0 ) / 30.0f;
- if ( scale_factor > 1.0 ) { scale_factor = 1.0; }
- }
- // cout << " scale_factor = " << scale_factor;
- squeal_volume *= scale_factor;
-
- if (squeal_volume > 0.1) {
- _squeal->set_volume(squeal_volume);
- _squeal->set_pitch(1.25);
- mgr->play_once("squeal");
- }
- _gear_on_ground[i] = true;
- }
- // cout << " wow";
- _wheel_spin[i] = cur_fdm_state->get_V_equiv_kts();
- } else {
- // cout << " airborn";
- _gear_on_ground[i] = false;
- /* fix me: wheel spindown is currently frame rate dependent which
- it shouldn't be */
- _wheel_spin[i] -= 0.2;
- if ( _wheel_spin[i] < 0.0 ) { _wheel_spin[i] = 0.0; }
+ bool new_pause = _pause->getBoolValue();
+ if ( new_pause != last_pause ) {
+ if ( new_pause ) {
+ suspend();
+ } else {
+ resume();
+ }
+ last_pause = new_pause;
}
- // cout << endl;
- }
-
- // Now, if any of the gear is in
- // contact with the ground play the
- // rumble sound. The volume is a
- // logarthmic scale of the absolute
- // velocity in knots divided by 12.0.
- // No rumble will be played if the
- // velocity is under ~0.25 kt.
- double speed = cur_fdm_state->get_V_equiv_kts();
- if (gearOnGround > 0 && speed > 0.5) {
- double volume = 2.0 * (gearOnGround/MAX_GEAR) * log(speed)/12; //(speed/60.0);
- _rumble->set_volume(volume);
- set_playing("rumble", true);
- } else {
- set_playing("rumble", false);
- }
-
- ////////////////////////////////////////////////////////////////////
- // Check for flap movement.
- ////////////////////////////////////////////////////////////////////
+ if ( !new_pause ) {
+ double volume = _volume->getDoubleValue();
+ if ( volume != last_volume ) {
+ set_volume( volume );
+ last_volume = volume;
+ }
- double flap_position = _flaps_prop->getDoubleValue();
- if (fabs(flap_position - _old_flap_position) > 0.1) {
- mgr->play_once("flaps");
- _old_flap_position = flap_position;
- }
+ // update sound effects if not paused
+ for ( unsigned int i = 0; i < _sound.size(); i++ ) {
+ _sound[i]->update(dt);
+ }
-
- ////////////////////////////////////////////////////////////////////
- // Check for gear movement.
- ////////////////////////////////////////////////////////////////////
-
- double gear_position = _gear_prop->getDoubleValue();
- if (gear_position != _old_gear_position) {
- if (gear_position < _old_gear_position) {
- mgr->play_once("gear-up");
- } else {
- mgr->play_once("gear-down");
+ SGSampleGroup::update(dt);
}
- _old_gear_position = gear_position;
- }
-
- // TODO: click
-
-}
-
-
-void
-FGFX::set_playing (const char * soundName, bool state)
-{
- FGSoundMgr * mgr = globals->get_soundmgr();
- bool playing = mgr->is_playing(soundName);
- if (state && !playing)
- mgr->play_looped(soundName);
- else if (!state && playing)
- mgr->stop(soundName);
}
// end of fg_fx.cxx
projects / flightgear.git / blobdiff